xr82c684 Exar Corporation, xr82c684 Datasheet - Page 5

• Manufacturer Part Number: xr82c684
• Description: Cmos Quad Channel Uart Quart
• Manufacturer: Exar Corporation

XR82C684
PIN DESCRIPTION
Pin #
Pin #
Symbol
Type
Description
68 Pin PLCC
44 Pin PLCC
Power Supply Pin.
Mode Select.
Output Port 2 (General Purpose Output).
Output 3 (Active low).
Transmitter Serial Data Output (Channel B).
Receiver Serial Data Input (Channel B).
Crystal Output or External Clock Input.
Crystal Input.
Output 4 (General Purpose Output).
Output 5 (General Purpose Output).